OmniSVG: A Unified Scalable Vector Graphics Generation Model - Yang, Yiying; Cheng, Wei; Chen, Sijin; Zeng, Xianfang; Yin, Fukun; Zhang, Jiaxu; Wang, Liao; Yu, Gang; Ma, Xingjun; Jiang, Yu-Gang (Advances in Neural Information Processing Systems, 2025)